Online Parts Store › Phillips Machine Screw - Pan Head. 1/4"-20 x 3" Image 1 of 1 Phillips Machine Screw - Pan Head. 1/4"-20 x 3" $37.73 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Nylon Insert Locknut - Stainless 5/16-18 $18.01 Stainless Fender Washer #6, .050" Thick, OD 3/4" $19.71 Stainless Fender Washer 1/4", .062" Thick ,OD 1" $39.24 Stainless Cotter Pin 5/32" x 1" $51.08 Square Tapping Screw - Oval Head #8 x 3/4" $25.25